In the afternoon, smoke may appear around 1 p.m. Eastern, 7 p.m. Vatican time if no decision is made. If a pope is elected on the first afternoon ballot, look for white smoke shortly after 11:30 a.m., ...

Last week was quite special for the estimated 1.2 billion Catholics around the world when white smoke billowed across St.

When that happens, white smoke rises from the Sistine Chapel's chimney. If the two-thirds majority is not reached, black smoke is emitted instead, signaling that the conclave will resume with further ...

Rather than soot, the smoke contains microscopic droplets and fine solids that are transparent or white. The result is a ...

What is the science behind the smoke signals on the Sistine Chapel to announce if a new pope has been elected?

White smoke was seen emanating from the chimney of the Sistine Chapel, indicating that a two-thirds vote has been reached to ...

"So the potassium perchlorate is bringing the oxygen to ... is a slightly different chemical composition. "You have calcium chlorate, which again is going to bring that oxygen, you use lactose ...